CN105549270B - Liquid crystal light orientation circuit and liquid crystal display panel - Google Patents
Liquid crystal light orientation circuit and liquid crystal display panel Download PDFInfo
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- CN105549270B CN105549270B CN201610100077.5A CN201610100077A CN105549270B CN 105549270 B CN105549270 B CN 105549270B CN 201610100077 A CN201610100077 A CN 201610100077A CN 105549270 B CN105549270 B CN 105549270B
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13458—Terminal pads
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136204—Arrangements to prevent high voltage or static electricity failures
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- Nonlinear Science (AREA)
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Geometry (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a kind of liquid crystal light orientation circuits, comprising: the first liquid crystal display panel and the second liquid crystal display panel；It is connected and is connected to the first public electrode and the second public electrode of first liquid crystal display panel；It is connected and is connected to the third public electrode and the 4th public electrode of second liquid crystal display panel；First field effect transistor, source region connect second public electrode, and drain region connects the third public electrode；And first pad, first pad connects the grid region of first field effect transistor, when the connection relationship of the connection relationship or the 4th public electrode of first public electrode and first liquid crystal display panel and second liquid crystal display panel occurs abnormal, first pad is powered so that second public electrode is connected with the third public electrode.Liquid crystal light orientation circuit of the present invention is capable of providing normal liquid crystal light orientation voltage.Invention additionally discloses a kind of liquid crystal display panels.
Description
Technical field
The present invention relates to liquid crystal light alignment technique field more particularly to a kind of liquid crystal light orientation circuit and it is a kind of apply institute
State the liquid crystal display panel of liquid crystal light orientation circuit.
Background technique
Liquid crystal light alignment technique refers in the case where applying voltage to liquid crystal display panel, by ultraviolet light, promotes liquid
Monomer reaction in crystalline substance makes liquid crystal molecule form pre-tilt angle, to achieve the purpose that liquid crystal light orientation.Liquid crystal display panel includes CF
(Color Filter, colored filter) substrate, liquid crystal layer and TFT (Thin Film Transistor, thin film transistor (TFT)) base
Plate is respectively equipped with indium tin oxide transparency electrode layer on CF substrate and TFT substrate, and the surface of its indium tin oxide transparency electrode layer is equal
Equipped with polyimide alignment film, contain monomer in the liquid crystal layer between CF substrate and TFT substrate, when the CF substrate for giving liquid crystal display panel
When being powered (i.e. application voltage) with TFT substrate and carry out ultraviolet light, the monomer in liquid crystal layer will react, and make liquid crystal
The liquid crystal molecule of layer is with scheduled tilt angle proper alignment, to achieve the purpose that liquid crystal light orientation.Currently, the liquid crystal light is matched
It is widely used in TFT-LCD industry to technology.
It in the prior art, include several liquid crystal display panels and several application voltage points on same liquid crystal light orientation panel
Group, each liquid crystal display panel respectively correspond an application electrical voltage point hyte, each application electrical voltage point hyte include Odd (odd electrode),
(Blue, source electrode are blue by Even (even electrode), R (Red, source electrode red pixel electrode), G (Green, source electrode green pixel electrode), B
Color pixel electrode), Com (public electrode), each Odd, Even, R, G, B, Com applied in electrical voltage point hyte and corresponding liquid crystal surface
Odd, Even, R, G, B, Com signal input part of plate are correspondingly connected with.
According to the wiring (layout) of product design and product test optimization, array test (Array Test) cabling with
Liquid crystal light orientation cabling usually route having the same.Meanwhile according to the production of liquid crystal display panel and test process, need first to carry out
Array test, then carry out liquid crystal light orientation.Array test is easy to happen ESD (Electro- due to the accumulation of board electrostatic charge
Static discharge, damage by static electricity) problem, therefore when array test cabling because damage by static electricity occur line fault (such as
R/G/B and Com line short) when, with array test there is the liquid crystal light orientation cabling of same line to be easy to lead because of above-mentioned failure
It sends a telegraph pressure to be pulled low, liquid crystal is made to generate orientation abnormal problem when carrying out light orientation.
Summary of the invention
Technical problem to be solved by the present invention lies in provide a kind of liquid crystal for being capable of providing normal liquid crystal light orientation voltage
Light orientation circuit and a kind of liquid crystal display panel using the liquid crystal light orientation circuit.
To achieve the goals above, embodiment of the present invention adopts the following technical scheme that
On the one hand, a kind of liquid crystal light orientation circuit is provided, comprising:
First liquid crystal display panel and the second liquid crystal display panel；
First public electrode and the second public electrode, first public electrode be connected with second public electrode and
It is connected to first liquid crystal display panel；
Third public electrode and the 4th public electrode, the third public electrode be connected with the 4th public electrode and
It is connected to second liquid crystal display panel；
First field effect transistor, the source region of first field effect transistor connects second public electrode, described
The drain region of first field effect transistor connects the third public electrode；And
First pad, first pad connect the grid region of first field effect transistor, when first common electrical
There is abnormal or the 4th public electrode and second liquid crystal in the connection relationship of pole and first liquid crystal display panel
When the connection relationship of display panel occurs abnormal, first pad is powered so that second public electrode and the third are public
Common electrode conducting.
Wherein, the liquid crystal light orientation circuit further includes the second field effect transistor, second field effect transistor
Source region connects the drain region of first field effect transistor, and it is public that the drain region of second field effect transistor connects the third
Electrode, the grid region of second field effect transistor connect the grid region of first field effect transistor.
Wherein, the liquid crystal light orientation circuit further includes the second pad, and second pad connects first field-effect
The grid region of transistor.
Wherein, first public electrode and first pad are respectively positioned on first liquid crystal display panel far from described
The side of second liquid crystal display panel, the 4th public electrode and second pad are respectively positioned on second LCD display
Side of the plate far from first liquid crystal display panel, second public electrode and the third public electrode are located at described the
Between one liquid crystal display panel and second liquid crystal display panel.
Wherein, the liquid crystal light orientation circuit further include:
The first odd electrode and the second odd electrode positioned at first liquid crystal display panel two sides, the described first odd electrode and
Described second odd electrode is connected and is connected to first liquid crystal display panel；
Positioned at the third surprise electrode of second liquid crystal display panel two sides and the 4th odd electrode, the third surprise electrode with
Described 4th odd electrode is connected and is connected to second liquid crystal display panel；And
Third field effect transistor, the odd electrode of source region connection described second of the third field effect transistor, described the
The drain region of three field effect transistors connects the third surprise electrode；The grid region of the third field effect transistor is connected to described
One pad.
Wherein, the liquid crystal light orientation circuit further include:
The first even electrode and the second even electrode positioned at first liquid crystal display panel two sides, the described first even electrode and
Described second even electrode is connected and is connected to first liquid crystal display panel；
Positioned at the third idol electrode of second liquid crystal display panel two sides and the 4th even electrode, the third idol electrode with
Described 4th even electrode is connected and is connected to second liquid crystal display panel；And
4th field effect transistor, the even electrode of source region connection described second of the 4th field effect transistor, described the
The drain region of four field effect transistors connects the third idol electrode；The grid region of 4th field effect transistor is connected to described
One pad.
Wherein, the liquid crystal light orientation circuit further includes the 5th field effect transistor and the 6th field effect transistor, described
The source region of 5th field effect transistor connects the drain region of the third field effect transistor, the leakage of the 5th field effect transistor
Area connects the third surprise electrode, and the grid region of the 5th field effect transistor connects the grid of the third field effect transistor
Area；The source region of 6th field effect transistor connects the drain region of the 4th field effect transistor, and the 6th field-effect is brilliant
The drain region of body pipe connects the third idol electrode, and the grid region of the 6th field effect transistor connects the 4th field effect transistor
The grid region of pipe.
Wherein, first field effect transistor is thin film transistor (TFT) or metal oxide semiconductor field effect tube.
On the other hand, a kind of liquid crystal display panel is also provided, including as above described in any item liquid crystal light orientation circuits.
Wherein, the liquid crystal display panel includes at least two liquid crystal light orientation circuit side by side.
Compared to the prior art, the invention has the following advantages:
Liquid crystal light orientation circuit of the present invention is due to having added first pad and first field effect transistor
Pipe, allows the liquid crystal light orientation circuit in the case where generating unit separated time road failure, by (described to single public electrode
First public electrode or the 4th public electrode) it is powered, while being first liquid crystal display panel and second liquid
LCD panel provides normal liquid crystal light orientation voltage, liquid crystal light orientation exception caused by reducing due to line fault
Risk improves product yield.
The present invention also provides a kind of liquid crystal display panels for applying the liquid crystal light orientation circuit, event can occur in part route
Normal liquid crystal light orientation voltage, product yield with higher are provided in the case where barrier.
Detailed description of the invention
In order to illustrate more clearly of technical solution of the present invention, attached drawing needed in embodiment will be made below
Simply introduce, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, general for this field
For logical technical staff, without creative efforts, other attached drawings can also be obtained such as these attached drawings.
Fig. 1 is a kind of schematic diagram of liquid crystal light orientation circuit provided in an embodiment of the present invention.
Fig. 2 is the schematic diagram of another liquid crystal light orientation circuit provided in an embodiment of the present invention.
Fig. 3 is the schematic diagram of another liquid crystal light orientation circuit provided in an embodiment of the present invention.
Fig. 4 is the schematic diagram of still another liquid crystal light orientation circuit provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the embodiment of the present invention provides a kind of liquid crystal light orientation circuit, comprising:
First liquid crystal display panel 10 and the second liquid crystal display panel 20；
Apply electrical voltage point hyte 1 and second positioned at the first of 10 two sides of the first liquid crystal display panel and applies voltage point
Group 2, described first, which applies electrical voltage point hyte 1, includes the first public electrode 11, and described second, which applies electrical voltage point hyte 2, includes second
Public electrode 21, first public electrode 11 are connected with second public electrode 21 and are connected to first liquid crystal
Display panel 10；
Third positioned at 20 two sides of the second liquid crystal display panel applies electrical voltage point hyte 3 and the 4th and applies voltage point
Group 4, it includes third public electrode 31 that the third, which applies electrical voltage point hyte 3, and the described 4th, which applies electrical voltage point hyte 4, includes the 4th
Public electrode 41, the third public electrode 31 are connected with the 4th public electrode 41 and are connected to second liquid crystal
Display panel 20；
First field effect transistor 5, the source region 51 of first field effect transistor 5 connect second public electrode
21, the drain region 52 of first field effect transistor 5 connects the third public electrode 31；And
First pad 61, first pad 61 connects the grid region 53 of first field effect transistor 5, when described first
The connection relationship of public electrode 11 and first liquid crystal display panel 10 occur abnormal or described 4th public electrode 41 with
When the connection relationship of second liquid crystal display panel 20 occurs abnormal, first pad 61 is powered so that described second is public
Electrode 21 and the third public electrode 31 are connected.
In the present embodiment, when the connection relationship of first public electrode 11 and first liquid crystal display panel 10 goes out
The connection relationship of now abnormal or described 4th public electrode 41 and second liquid crystal display panel 20 appearance exception (such as send out
The line faults such as the raw short circuit as caused by damage by static electricity) when, second public electrode 21 is made to first pad 61 energization
It is connected with the third public electrode 31, at this time: if first public electrode 11 and first liquid crystal display panel 10
Connection relationship occur abnormal, then enable the 4th public electrode 41 be powered to apply liquid to second liquid crystal display panel 20
Brilliant light orientation voltage, 11 no power of the first public electrode, first field effect transistor 5 conducting are to pass through described second
Public electrode 21 applies liquid crystal light orientation voltage to first liquid crystal display panel 10；If the 4th public electrode 41 with
The connection relationship of second liquid crystal display panel 20 occurs abnormal, then enables first public electrode 11 be powered to described the
One liquid crystal display panel 10 applies liquid crystal light orientation voltage, and 41 no power of the 4th public electrode, first field-effect are brilliant
The conducting of body pipe 5 is to apply liquid crystal light orientation voltage to second liquid crystal display panel 20 by the third public electrode 31.
To sum up, liquid crystal light orientation circuit described in the present embodiment is due to having added first pad 61 and first field effect transistor
Pipe 5 allows the liquid crystal light orientation circuit in the case where generating unit separated time road failure, by single public electrode (institute
State the first public electrode 11 or the 4th public electrode 41) it is powered, while being first liquid crystal display panel 10 and institute
It states the second liquid crystal display panel 20 and normal liquid crystal light orientation voltage is provided, reduce due to line fault and liquid crystal light is caused to be matched
To abnormal risk, product yield is improved.
It should be appreciated that first field effect transistor (Field Effect Transistor, FET) 5 can be thin
Film transistor (Thin-film transistor, TFT) or metal oxide semiconductor field effect tube (metal oxide
Semiconductor, MOS), preferred film transistor.
Further, referring to Fig. 1, the liquid crystal light orientation circuit further includes the second pad 62, second pad 62
The grid region 53 of first field effect transistor 5 is connected, therefore can be welded according to specific requirements, flexible choice by described first
First field effect transistor 5 is connected in disk 61 or second pad 62.
Further, referring to Fig. 1, first public electrode 11 and first pad 61 are respectively positioned on first liquid
Side of the LCD panel 10 far from second liquid crystal display panel 20, the 4th public electrode 41 and second pad
It is respectively positioned on side of second liquid crystal display panel 20 far from first liquid crystal display panel 10, second public electrode
21 and the third public electrode 31 between first liquid crystal display panel 10 and second liquid crystal display panel 20.
It should be understood that when first public electrode 11 and first liquid crystal display panel 10 connection relationship just
When the connection relationship of normal and described 4th public electrode 41 and second liquid crystal display panel 20 is normal, first common electrical
Pole 11 and the 4th public electrode 41 are powered to be respectively first liquid crystal display panel 10 and second liquid crystal
Display panel 20 provides normal liquid crystal light orientation voltage, and second public electrode 21 and the third public electrode 31 are not
It is powered, external power supply is connected to first public electrode 11 and the 4th public electrode positioned at peripheral position at this time
41；When the connection relationship of first public electrode 11 and first liquid crystal display panel 10 is abnormal or the 4th common electrical
When the connection relationship exception of pole 41 and second liquid crystal display panel 20, first public electrode 11 is powered or described the
Four public electrodes 41 are powered, and second public electrode 21 is connected with the third public electrode 31 so that first liquid crystal
Show that panel 10 and second liquid crystal display panel 20 obtain normal light orientation voltage simultaneously, at this time the external power supply connection
To first public electrode 11 or the 4th public electrode 41 for being located at peripheral position.In the present embodiment, the liquid
The cabling of brilliant light orientation circuit is simple, and when it needs to be powered, it is only necessary to which external power supply is connected to the institute positioned at peripheral position
It states at the first public electrode 11 and the 4th public electrode 41, energization movement is easy to accomplish.
Further, referring to Fig. 2, as another preferred embodiment of the invention, the liquid crystal light orientation circuit is also
Including the second field effect transistor 7, the source region 71 of second field effect transistor 7 connects first field effect transistor 5
Drain region 52, the drain region 72 of second field effect transistor 7 connects the third public electrode 31, and second field-effect is brilliant
The grid region 73 of body pipe 7 connects the grid region 53 of first field effect transistor 5.When first public electrode 11 and described first
There is abnormal or described 4th public electrode 41 and second liquid crystal display panel in the connection relationship of liquid crystal display panel 10
When 20 connection relationship occurs abnormal, first pad 61 is powered, so that first field effect transistor 5 and described the
Two field effect transistors 7 are both turned on, and second public electrode 21 is realized with the third public electrode 31 to be electrically connected.
In the present embodiment, when the liquid crystal display panel of the application liquid crystal light orientation circuit is cut, described first
Effect transistor 5 is connected to first liquid crystal display panel 10, and second field effect transistor 7 is connected to second liquid
The source region 71 of LCD panel 20, the drain region 52 of first field effect transistor 5 and second field effect transistor 7 disconnects
Connection.
It should be appreciated that second field effect transistor (Field Effect Transistor, FET) 7 can be thin
Film transistor (Thin-film transistor, TFT) or metal oxide semiconductor field effect tube (metal oxide
Semiconductor, MOS), preferred film transistor.
Further, referring to Fig. 3, as still another preferable embodiment of the invention, described first applies voltage point
Group 1 further includes the first odd electrode 12, and the second application electrical voltage point hyte 2 further includes the second odd electrode 22, the described first odd electricity
Pole 12 is connected with the described second odd electrode 22 and is connected to first liquid crystal display panel 10.The third applies voltage
Point hyte 3 further includes third surprise electrode 32, and the 4th application electrical voltage point hyte 4 further includes the 4th odd electrode 42, the third
Odd electrode 32 is connected with the described 4th odd electrode 42 and is connected to second liquid crystal display panel 20.The liquid crystal light is matched
It further include third field effect transistor 8 to circuit, the source region 81 of the third field effect transistor 8 connects the described second odd electrode
22, the drain region 82 of the third field effect transistor 8 connects the third surprise electrode 32；The third field effect transistor 8
Grid region 83 connects first pad 61.
In the present embodiment, the described second odd electrode 22 can be brilliant by the third field-effect with the third surprise electrode 32
Body pipe 8 is connected, therefore when being powered to the described first odd electrode 12 or the 4th odd electrode 42, the described second odd electrode 22 with
And the third surprise electrode 32 has voltage identical with the described first odd electrode 12 or the 4th surprise electrode 42, the liquid
Brilliant light orientation circuit can provide better effect with second liquid crystal display panel 20 for first liquid crystal display panel 10
Liquid crystal light orientation voltage.
Preferably, referring to Fig. 3, the first application electrical voltage point hyte 1 further includes the first even electrode 13, described second is applied
Making alive point hyte 2 includes the second even electrode 23, and the described first even electrode 13 is connected with the described second even electrode 23 and connects
It is connected to first liquid crystal display panel 10.It includes third idol electrode 33 that the third, which applies electrical voltage point hyte 3, and the described 4th applies
Making alive point hyte 4 includes the 4th even electrode 43, and the third idol electrode 33 is connected with the described 4th even electrode 43 and connects
It is connected to second liquid crystal display panel 20.The liquid crystal light orientation circuit further includes the 4th field effect transistor 9, and the described 4th
The source region 91 of field effect transistor 9 connects the described second even electrode 23, and the drain region 92 of the 4th field effect transistor 9 connects institute
State third idol electrode 33；The grid region 93 of 4th field effect transistor 9 connects first pad 61.
In the present embodiment, the described second even electrode 23 can be brilliant by the third field-effect with the third idol electrode 33
Body pipe 9 is connected, therefore when being powered to the described first even electrode 13 or the 4th even electrode 43, the described second even electrode 23 with
And the third idol electrode 33 has voltage identical as the described first even electrode 13 or the 4th idol electrode 43, the liquid crystal
Light orientation circuit can provide better effect with second liquid crystal display panel 20 for first liquid crystal display panel 10
Liquid crystal light orientation voltage.
Further, referring to Fig. 4, as still another preferred embodiment of the invention, the liquid crystal light orientation circuit
It further include the 5th field effect transistor 80, the source region of the 5th field effect transistor 80 connects the third field effect transistor
8 drain region, the drain region of the 5th field effect transistor 80 connects the third surprise electrode 32, and (the third field-effect is brilliant at this time
The drain region of body pipe 8 is electrically connected the third surprise electrode 32), the grid region of the 5th field effect transistor 80 connects the third
The grid region of field effect transistor 8.
Preferably, the liquid crystal light orientation circuit further includes the 6th field effect transistor 90, the 6th field effect transistor
The source region of pipe 90 connects the drain region of the 4th field effect transistor 9, and the drain region of the 6th field effect transistor 90 connects institute
It states third idol electrode 33 (drain region of the 4th field effect transistor 9 is electrically connected the third idol electrode 33 at this time), it is described
The grid region of 6th field effect transistor 90 connects the grid region of the 4th field effect transistor 9.
In the present embodiment, when the liquid crystal display panel of the application liquid crystal light orientation circuit is cut, the third field
Effect transistor 8 and the 4th field effect transistor 9 are connected to first liquid crystal display panel 10, the 5th effect
Transistor 80 and the 6th field effect transistor 90 is answered to be connected to second liquid crystal display panel 20, the third field effect
The source region of the drain region of answering transistor 8 and the 5th field effect transistor 80 disconnects, the 4th field effect transistor 9
Drain region and the source region of the 6th field effect transistor 90 disconnect.
It should be appreciated that the third field effect transistor 8, the 4th field effect transistor 9, the 5th field-effect
Transistor 80 and the 6th field effect transistor 90 all can be thin film transistor (TFT) (Thin-film transistor,
TFT) or metal oxide semiconductor field effect tube (metal oxide semiconductor, MOS), preferred film crystal
Pipe.
The embodiment of the present invention also provides a kind of liquid crystal display panel, including liquid crystal light orientation circuit described in embodiment as above.This
Liquid crystal display panel described in embodiment has added first pad due to being provided with the liquid crystal light orientation circuit (as shown in Figure 1)
61 and first field effect transistor 5, allow the liquid crystal display panel in the case where generating unit separated time road failure, passes through
It is powered to single public electrode (first public electrode 11 or the 4th public electrode 41), while being first liquid
LCD panel 10 and second liquid crystal display panel 20 provide normal liquid crystal light orientation voltage, reduce due to route event
Hinder and cause the risk of liquid crystal light orientation exception, improves product yield.
Further, the liquid crystal display panel includes at least two liquid crystal light orientation circuit side by side.At this point, the liquid
First liquid crystal display panel and second liquid crystal display panel in crystal panel are arranged in array, and are located substantially at institute
The intermediate region for stating liquid crystal display panel, for energization it is described first apply electrical voltage point hyte, it is described 4th apply electrical voltage point hyte,
The neighboring area of the liquid crystal display panel is arranged in first pad (and described second pad).Therefore, the liquid crystal display panel
Wiring is simple, and energization movement is easy to accomplish.
The embodiment of the present invention has been described in detail above, specific case used herein to the principle of the present invention and
Embodiment is expounded, and the above description of the embodiment is only used to help understand the method for the present invention and its core ideas；
At the same time, for those skilled in the art can in specific embodiments and applications according to the thought of the present invention
There is change place, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (10)
1. a kind of liquid crystal light orientation circuit characterized by comprising
First liquid crystal display panel and the second liquid crystal display panel；
First public electrode and the second public electrode, first public electrode are connected with second public electrode and connect
It is connected to first liquid crystal display panel；
Third public electrode and the 4th public electrode, the third public electrode are connected with the 4th public electrode and connect
It is connected to second liquid crystal display panel；
First field effect transistor, source region connection second public electrode of first field effect transistor, described first
The drain region of field effect transistor connects the third public electrode；And
First pad, first pad connect the grid region of first field effect transistor, when first public electrode with
There is abnormal or described 4th public electrode and second liquid crystal display in the connection relationship of first liquid crystal display panel
When the connection relationship of panel occurs abnormal, first pad is powered so that second public electrode and the third common electrical
Pole conducting；
Wherein, abnormal conditions include the line fault as caused by damage by static electricity.
2. liquid crystal light orientation circuit as described in claim 1, which is characterized in that the liquid crystal light orientation circuit further includes second
Field effect transistor, the source region of second field effect transistor connect the drain region of first field effect transistor, and described
The drain regions of two field effect transistors connects the third public electrode, the grid region connection of second field effect transistor described the
The grid region of one field effect transistor.
3. liquid crystal light orientation circuit as described in claim 1, which is characterized in that the liquid crystal light orientation circuit further includes second
Pad, second pad connect the grid region of first field effect transistor.
4. liquid crystal light orientation circuit as claimed in claim 3, which is characterized in that first public electrode and first weldering
Disk is respectively positioned on side of first liquid crystal display panel far from second liquid crystal display panel, the 4th public electrode with
Second pad is respectively positioned on side of second liquid crystal display panel far from first liquid crystal display panel, and described second
Public electrode and the third public electrode are between first liquid crystal display panel and second liquid crystal display panel.
5. liquid crystal light orientation circuit as described in claim 1, which is characterized in that the liquid crystal light orientation circuit further include:
The first odd electrode and the second odd electrode positioned at first liquid crystal display panel two sides, the first surprise electrode with it is described
Second odd electrode is connected and is connected to first liquid crystal display panel；
Positioned at the third surprise electrode of second liquid crystal display panel two sides and the 4th odd electrode, the third surprise electrode with it is described
4th odd electrode is connected and is connected to second liquid crystal display panel；And
Third field effect transistor, the odd electrode of source region connection described second of the third field effect transistor, the third field
The drain region of effect transistor connects the third surprise electrode；The grid region of the third field effect transistor is connected to first weldering
Disk.
6. liquid crystal light orientation circuit as claimed in claim 5, which is characterized in that the liquid crystal light orientation circuit further include:
The first even electrode and the second even electrode positioned at first liquid crystal display panel two sides, the first idol electrode with it is described
Second even electrode is connected and is connected to first liquid crystal display panel；
Positioned at the third idol electrode of second liquid crystal display panel two sides and the 4th even electrode, the third idol electrode with it is described
4th even electrode is connected and is connected to second liquid crystal display panel；And
4th field effect transistor, the even electrode of source region connection described second of the 4th field effect transistor, described 4th
The drain region of effect transistor connects the third idol electrode；The grid region of 4th field effect transistor is connected to first weldering
Disk.
7. liquid crystal light orientation circuit as claimed in claim 6, which is characterized in that the liquid crystal light orientation circuit further includes the 5th
Field effect transistor and the 6th field effect transistor, it is brilliant that the source region of the 5th field effect transistor connects the third field-effect
The drain region in the drain region of body pipe, the 5th field effect transistor connects the third surprise electrode, the 5th field effect transistor
Grid region connect the grid region of the third field effect transistor；Described 4th of the source region connection of 6th field effect transistor
The drain region in the drain region of effect transistor, the 6th field effect transistor connects the third idol electrode, the 6th field-effect
The grid region of transistor connects the grid region of the 4th field effect transistor.
8. liquid crystal light orientation circuit as described in claim 1, which is characterized in that first field effect transistor is that film is brilliant
Body pipe or metal oxide semiconductor field effect tube.
9. a kind of liquid crystal display panel, which is characterized in that including the described in any item liquid crystal light orientation circuits of such as claim 1-8.
10. liquid crystal display panel as claimed in claim 9, which is characterized in that the liquid crystal display panel includes at least two institute side by side
State liquid crystal light orientation circuit.
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Families Citing this family (3)
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| CN106547155B (en) * | 2017-01-12 | 2019-09-17 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and liquid crystal display panel light alignment method |
| CN106652863B (en) * | 2017-02-22 | 2020-10-13 | 深圳市华星光电技术有限公司 | Detection circuit |
| CN107167967A (en) * | 2017-05-04 | 2017-09-15 | 深圳市华星光电技术有限公司 | Light orientation Wiring structure |
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